Two people who enjoy chest to chest contact ( see chest bump). This can be between two girls, two guys, or a guy and a girl. This may often be painful for girls.
My boob buddy and I always chest bump when the Patriots score a touchdown.
by sillybillyandlilly December 31, 2010
1 more definition
A female friend with enormous boobs and a great sense of humor she lets you dance with her and cuddle with her on the couch without sexual interaction. The boob buddy wears tight clothes in tight jeans that attracts men but rathers be their friend than being a girlfriend.
Man I love my boob buddy!
by Angriest June 30, 2013